349953811 has 2 divisors, whose sum is σ = 349953812. Its totient is φ = 349953810.

The previous prime is 349953803. The next prime is 349953827. The reversal of 349953811 is 118359943.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 349953811 - 2³ = 349953803 is a prime.

It is not a weakly prime, because it can be changed into another prime (349953841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 174976905 + 174976906.

It is an arithmetic number, because the mean of its divisors is an integer number (174976906).

Almost surely, 2^349953811 is an apocalyptic number.

349953811 is a deficient number, since it is larger than the sum of its proper divisors (1).

349953811 is an equidigital number, since it uses as much as digits as its factorization.

349953811 is an evil number, because the sum of its binary digits is even.

The product of its digits is 116640, while the sum is 43.

The square root of 349953811 is about 18707.0524401895. The cubic root of 349953811 is about 704.6988711111.

The spelling of 349953811 in words is "three hundred forty-nine million, nine hundred fifty-three thousand, eight hundred eleven".